Question

write the cube of 5 natural number which are multiples of 5 and verify that the cube of a natural number which is a multiple of 5 is a multiple of 125

Answer 1

Answer:

$5 \times {1}^{3 } = 5 \\ 5 \times {2}^{3 } = 5 \times 8 = 40 \\ 5 \times {3}^{3 } = 5 \times 27 = 135 \\ 5 \times {4}^{3} = 5 \times 64 = 320 \\ 5 \times {5}^{3} = 5 \times 125 = 625$

your answer is 625